MEMORANDUM
	
Date:	December 11, 2013

Subject:	Polycarbonate Production Risk Modeling File
	
From:	Nick Parsons, EPA/OAQPS/SPPD/RCG
		
To:	EPA Docket File (EPA-HQ-OAR-2012 - 0133)

The attached "Mact_1326.zip" file contains the emissions inventory used for the risk modeling of the Polycarbonate Production (PC) source category.



The attached "PC HEM Inputs MACT Level.zip" file contains the Human Exposure Model (HEM) inputs for emissions from PC processes at facilities in the PC source category.



The attached "PC HEM Inputs Whole Facility.zip" file contains the HEM inputs for facility-wide emissions from facilities in the PC source category.


